diff --git a/adapters/sovrn/sovrn.go b/adapters/sovrn/sovrn.go
index af60497f93e..beafa3547ab 100644
--- a/adapters/sovrn/sovrn.go
+++ b/adapters/sovrn/sovrn.go
@@ -75,10 +75,6 @@ func (s *SovrnAdapter) MakeRequests(request *openrtb2.BidRequest, reqInfo *adapt
 
 		imp.TagID = tagId
 
-		if imp.BidFloor == 0 && sovrnExt.BidFloor > 0 {
-			imp.BidFloor = sovrnExt.BidFloor
-		}
-
 		var impExtBuffer []byte
 		impExtBuffer, err = json.Marshal(&sovrnImpExt{
 			Bidder:     sovrnExt,
diff --git a/adapters/sovrn/sovrntest/supplemental/both-custom-default-bidfloor.json b/adapters/sovrn/sovrntest/supplemental/both-custom-default-bidfloor.json
deleted file mode 100644
index 4b997b68266..00000000000
--- a/adapters/sovrn/sovrntest/supplemental/both-custom-default-bidfloor.json
+++ /dev/null
@@ -1,126 +0,0 @@
-{
-  "mockBidRequest": {
-    "id": "test-request-id",
-    "imp": [
-      {
-        "id": "test-imp-id",
-        "banner": {
-          "format": [
-            {
-              "w": 300,
-              "h": 250
-            },
-            {
-              "w": 300,
-              "h": 600
-            }
-          ]
-        },
-        "bidfloor": 1.69,
-        "ext": {
-          "bidder": {
-            "tagid": "123456",
-            "bidfloor": 4.20
-          }
-        }
-      }
-    ],
-    "device": { },
-    "site": {
-      "domain": "www.publisher.com",
-      "page": "http://www.publisher.com/awesome/site"
-    },
-    "user": {
-      "buyeruid": "test_reader_id"
-    }
-  },
-
-  "httpCalls": [
-    {
-      "expectedRequest": {
-        "headers": {
-          "Content-Type": ["application/json"],
-          "Cookie": ["ljt_reader=test_reader_id"]
-        },
-        "uri": "http://sovrn.com/test/endpoint",
-        "body": {
-          "id": "test-request-id",
-          "imp": [
-            {
-              "id": "test-imp-id",
-              "banner": {
-                "format": [
-                  {
-                    "w": 300,
-                    "h": 250
-                  },
-                  {
-                    "w": 300,
-                    "h": 600
-                  }
-                ]
-              },
-              "tagid": "123456",
-              "bidfloor": 1.69,
-              "ext": {
-                "bidder": {
-                  "tagid": "123456",
-                  "bidfloor": 4.20
-                }
-              }
-            }
-          ],
-          "site": {
-            "domain": "www.publisher.com",
-            "page": "http://www.publisher.com/awesome/site"
-          },
-          "user": {
-            "buyeruid": "test_reader_id"
-          },
-          "device": { }
-        }
-      },
-      "mockResponse": {
-        "status": 200,
-        "body": {
-          "id": "test-request-id",
-          "seatbid": [
-            {
-              "bid": [
-                {
-                  "id": "a_449642_554a13d3b9f348fba707cf83f0f63800",
-                  "impid": "test-imp-id",
-                  "price": 3.5,
-                  "nurl": "http://sovrn.com/rtb/impression?bannerid=138743&campaignid=3699&zoneid=449642&cb=69493397&tid=a_449642_554a13d3b9f348fba707cf83f0f63800",
-                  "adm": "some-test-ad",
-                  "w": 300,
-                  "h": 250
-                }
-              ]
-            }
-          ]
-        }
-      }
-    }
-  ],
-
-  "expectedBidResponses": [
-    {
-      "currency": "USD",
-      "bids": [
-        {
-          "bid": {
-            "id": "a_449642_554a13d3b9f348fba707cf83f0f63800",
-            "impid": "test-imp-id",
-            "price": 3.5,
-            "adm": "some-test-ad",
-            "nurl": "http://sovrn.com/rtb/impression?bannerid=138743&campaignid=3699&zoneid=449642&cb=69493397&tid=a_449642_554a13d3b9f348fba707cf83f0f63800",
-            "w": 300,
-            "h": 250
-          },
-          "type": "banner"
-        }
-      ]
-    }
-  ]
-}
diff --git a/adapters/sovrn/sovrntest/supplemental/only-custom-bidfloor.json b/adapters/sovrn/sovrntest/supplemental/only-custom-bidfloor.json
deleted file mode 100644
index 20c00a48bd2..00000000000
--- a/adapters/sovrn/sovrntest/supplemental/only-custom-bidfloor.json
+++ /dev/null
@@ -1,125 +0,0 @@
-{
-  "mockBidRequest": {
-    "id": "test-request-id",
-    "imp": [
-      {
-        "id": "test-imp-id",
-        "banner": {
-          "format": [
-            {
-              "w": 300,
-              "h": 250
-            },
-            {
-              "w": 300,
-              "h": 600
-            }
-          ]
-        },
-        "ext": {
-          "bidder": {
-            "tagid": "123456",
-            "bidfloor": 4.2
-          }
-        }
-      }
-    ],
-    "device": { },
-    "site": {
-      "domain": "www.publisher.com",
-      "page": "http://www.publisher.com/awesome/site"
-    },
-    "user": {
-      "buyeruid": "test_reader_id"
-    }
-  },
-
-  "httpCalls": [
-    {
-      "expectedRequest": {
-        "headers": {
-          "Content-Type": ["application/json"],
-          "Cookie": ["ljt_reader=test_reader_id"]
-        },
-        "uri": "http://sovrn.com/test/endpoint",
-        "body": {
-          "id": "test-request-id",
-          "imp": [
-            {
-              "id": "test-imp-id",
-              "banner": {
-                "format": [
-                  {
-                    "w": 300,
-                    "h": 250
-                  },
-                  {
-                    "w": 300,
-                    "h": 600
-                  }
-                ]
-              },
-              "tagid": "123456",
-              "bidfloor": 4.2,
-              "ext": {
-                "bidder": {
-                  "tagid": "123456",
-                  "bidfloor": 4.2
-                }
-              }
-            }
-          ],
-          "site": {
-            "domain": "www.publisher.com",
-            "page": "http://www.publisher.com/awesome/site"
-          },
-          "user": {
-            "buyeruid": "test_reader_id"
-          },
-          "device": { }
-        }
-      },
-      "mockResponse": {
-        "status": 200,
-        "body": {
-          "id": "test-request-id",
-          "seatbid": [
-            {
-              "bid": [
-                {
-                  "id": "a_449642_554a13d3b9f348fba707cf83f0f63800",
-                  "impid": "test-imp-id",
-                  "price": 3.5,
-                  "nurl": "http://sovrn.com/rtb/impression?bannerid=138743&campaignid=3699&zoneid=449642&cb=69493397&tid=a_449642_554a13d3b9f348fba707cf83f0f63800",
-                  "adm": "some-test-ad",
-                  "w": 300,
-                  "h": 250
-                }
-              ]
-            }
-          ]
-        }
-      }
-    }
-  ],
-
-  "expectedBidResponses": [
-    {
-      "currency": "USD",
-      "bids": [
-        {
-          "bid": {
-            "id": "a_449642_554a13d3b9f348fba707cf83f0f63800",
-            "impid": "test-imp-id",
-            "price": 3.5,
-            "adm": "some-test-ad",
-            "nurl": "http://sovrn.com/rtb/impression?bannerid=138743&campaignid=3699&zoneid=449642&cb=69493397&tid=a_449642_554a13d3b9f348fba707cf83f0f63800",
-            "w": 300,
-            "h": 250
-          },
-          "type": "banner"
-        }
-      ]
-    }
-  ]
-}
diff --git a/adapters/sovrn/sovrntest/supplemental/with-both-custom-default-bidfloor.json b/adapters/sovrn/sovrntest/supplemental/with-both-custom-default-bidfloor.json
deleted file mode 100644
index 4b997b68266..00000000000
--- a/adapters/sovrn/sovrntest/supplemental/with-both-custom-default-bidfloor.json
+++ /dev/null
@@ -1,126 +0,0 @@
-{
-  "mockBidRequest": {
-    "id": "test-request-id",
-    "imp": [
-      {
-        "id": "test-imp-id",
-        "banner": {
-          "format": [
-            {
-              "w": 300,
-              "h": 250
-            },
-            {
-              "w": 300,
-              "h": 600
-            }
-          ]
-        },
-        "bidfloor": 1.69,
-        "ext": {
-          "bidder": {
-            "tagid": "123456",
-            "bidfloor": 4.20
-          }
-        }
-      }
-    ],
-    "device": { },
-    "site": {
-      "domain": "www.publisher.com",
-      "page": "http://www.publisher.com/awesome/site"
-    },
-    "user": {
-      "buyeruid": "test_reader_id"
-    }
-  },
-
-  "httpCalls": [
-    {
-      "expectedRequest": {
-        "headers": {
-          "Content-Type": ["application/json"],
-          "Cookie": ["ljt_reader=test_reader_id"]
-        },
-        "uri": "http://sovrn.com/test/endpoint",
-        "body": {
-          "id": "test-request-id",
-          "imp": [
-            {
-              "id": "test-imp-id",
-              "banner": {
-                "format": [
-                  {
-                    "w": 300,
-                    "h": 250
-                  },
-                  {
-                    "w": 300,
-                    "h": 600
-                  }
-                ]
-              },
-              "tagid": "123456",
-              "bidfloor": 1.69,
-              "ext": {
-                "bidder": {
-                  "tagid": "123456",
-                  "bidfloor": 4.20
-                }
-              }
-            }
-          ],
-          "site": {
-            "domain": "www.publisher.com",
-            "page": "http://www.publisher.com/awesome/site"
-          },
-          "user": {
-            "buyeruid": "test_reader_id"
-          },
-          "device": { }
-        }
-      },
-      "mockResponse": {
-        "status": 200,
-        "body": {
-          "id": "test-request-id",
-          "seatbid": [
-            {
-              "bid": [
-                {
-                  "id": "a_449642_554a13d3b9f348fba707cf83f0f63800",
-                  "impid": "test-imp-id",
-                  "price": 3.5,
-                  "nurl": "http://sovrn.com/rtb/impression?bannerid=138743&campaignid=3699&zoneid=449642&cb=69493397&tid=a_449642_554a13d3b9f348fba707cf83f0f63800",
-                  "adm": "some-test-ad",
-                  "w": 300,
-                  "h": 250
-                }
-              ]
-            }
-          ]
-        }
-      }
-    }
-  ],
-
-  "expectedBidResponses": [
-    {
-      "currency": "USD",
-      "bids": [
-        {
-          "bid": {
-            "id": "a_449642_554a13d3b9f348fba707cf83f0f63800",
-            "impid": "test-imp-id",
-            "price": 3.5,
-            "adm": "some-test-ad",
-            "nurl": "http://sovrn.com/rtb/impression?bannerid=138743&campaignid=3699&zoneid=449642&cb=69493397&tid=a_449642_554a13d3b9f348fba707cf83f0f63800",
-            "w": 300,
-            "h": 250
-          },
-          "type": "banner"
-        }
-      ]
-    }
-  ]
-}
diff --git a/adapters/sovrn/sovrntest/supplemental/with-only-custom-bidfloor.json b/adapters/sovrn/sovrntest/supplemental/with-only-custom-bidfloor.json
deleted file mode 100644
index b4ab404e9be..00000000000
--- a/adapters/sovrn/sovrntest/supplemental/with-only-custom-bidfloor.json
+++ /dev/null
@@ -1,125 +0,0 @@
-{
-  "mockBidRequest": {
-    "id": "test-request-id",
-    "imp": [
-      {
-        "id": "test-imp-id",
-        "banner": {
-          "format": [
-            {
-              "w": 300,
-              "h": 250
-            },
-            {
-              "w": 300,
-              "h": 600
-            }
-          ]
-        },
-        "ext": {
-          "bidder": {
-            "tagid": "123456",
-            "bidfloor": 4.2
-          }
-        }
-      }
-    ],
-    "device": { },
-    "site": {
-      "domain": "www.publisher.com",
-      "page": "http://www.publisher.com/awesome/site"
-    },
-    "user": {
-      "buyeruid": "test_reader_id"
-    }
-  },
-
-  "httpCalls": [
-    {
-      "expectedRequest": {
-        "headers": {
-          "Content-Type": ["application/json"],
-          "Cookie": ["ljt_reader=test_reader_id"]
-        },
-        "uri": "http://sovrn.com/test/endpoint",
-        "body": {
-          "id": "test-request-id",
-          "imp": [
-            {
-              "id": "test-imp-id",
-              "banner": {
-                "format": [
-                  {
-                    "w": 300,
-                    "h": 250
-                  },
-                  {
-                    "w": 300,
-                    "h": 600
-                  }
-                ]
-              },
-              "bidfloor": 4.2,
-              "tagid": "123456",
-              "ext": {
-                "bidder": {
-                  "tagid": "123456",
-                  "bidfloor": 4.20
-                }
-              }
-            }
-          ],
-          "site": {
-            "domain": "www.publisher.com",
-            "page": "http://www.publisher.com/awesome/site"
-          },
-          "user": {
-            "buyeruid": "test_reader_id"
-          },
-          "device": { }
-        }
-      },
-      "mockResponse": {
-        "status": 200,
-        "body": {
-          "id": "test-request-id",
-          "seatbid": [
-            {
-              "bid": [
-                {
-                  "id": "a_449642_554a13d3b9f348fba707cf83f0f63800",
-                  "impid": "test-imp-id",
-                  "price": 3.5,
-                  "nurl": "http://sovrn.com/rtb/impression?bannerid=138743&campaignid=3699&zoneid=449642&cb=69493397&tid=a_449642_554a13d3b9f348fba707cf83f0f63800",
-                  "adm": "some-test-ad",
-                  "w": 300,
-                  "h": 250
-                }
-              ]
-            }
-          ]
-        }
-      }
-    }
-  ],
-
-  "expectedBidResponses": [
-    {
-      "currency": "USD",
-      "bids": [
-        {
-          "bid": {
-            "id": "a_449642_554a13d3b9f348fba707cf83f0f63800",
-            "impid": "test-imp-id",
-            "price": 3.5,
-            "adm": "some-test-ad",
-            "nurl": "http://sovrn.com/rtb/impression?bannerid=138743&campaignid=3699&zoneid=449642&cb=69493397&tid=a_449642_554a13d3b9f348fba707cf83f0f63800",
-            "w": 300,
-            "h": 250
-          },
-          "type": "banner"
-        }
-      ]
-    }
-  ]
-}
diff --git a/openrtb_ext/imp_sovrn.go b/openrtb_ext/imp_sovrn.go
index 362463f9513..f32ae262a28 100644
--- a/openrtb_ext/imp_sovrn.go
+++ b/openrtb_ext/imp_sovrn.go
@@ -1,8 +1,7 @@
 package openrtb_ext
 
 type ExtImpSovrn struct {
-	TagId      string  `json:"tagId,omitempty"`
-	Tagid      string  `json:"tagid,omitempty"`
-	BidFloor   float64 `json:"bidfloor,omitempty"`
-	AdUnitCode string  `json:"adunitcode,omitempty"`
+	TagId      string `json:"tagId,omitempty"`
+	Tagid      string `json:"tagid,omitempty"`
+	AdUnitCode string `json:"adunitcode,omitempty"`
 }
diff --git a/static/bidder-params/sovrn.json b/static/bidder-params/sovrn.json
index d821a808f97..68d9e56b62e 100644
--- a/static/bidder-params/sovrn.json
+++ b/static/bidder-params/sovrn.json
@@ -13,10 +13,6 @@
       "type": "string",
       "description": "An ID which identifies the sovrn ad tag (DEPRECATED, use \"tagid\" instead)"
     },
-    "bidfloor": {
-      "type": "number",
-      "description": "The minimium acceptable bid, in CPM, using US Dollars"
-    },
     "adunitcode": {
       "type": "string",
       "description": "The string which identifies Ad Unit"